Using biometric verification to grant access to redacted content

ABSTRACT

Some embodiments provide an electronic device with a novel content redaction engine. The content redaction engine of some embodiments determines whether to redact content for output based on whether a user is biometrically verified. When the content redaction engine receives verification data indicating that the user is biometrically verified, the device displays content without any portion redacted. On the other hand, when the content redaction engine does not receive such verification data, the device displays the content with at least a portion redacted. The electronic device of some embodiments additionally includes a biometric reader and a biometric verification engine. The biometric reader reads a person&#39;s uniquely identifying biometric data (e.g., thumbprint/fingerprint, iris scan, voice, etc.). This biometric information is then read by the biometric verification engine for comparison to a stored set of verified user biometric data. When the biometric data matches the stored data, the person is verified.

This application is a continuation of co-pending U.S. patent applicationSer. No. 15/647,209 filed on Jul. 11, 2017, which is a continuation ofU.S. patent application Ser. No. 13/913,403 filed on Jun. 8, 2013, nowissued as U.S. Pat. No. 9,721,107.

BACKGROUND

One concern with electronic devices, and especially with portabledevices, is the ability of others to access one's device. Users ofportable electronic devices (e.g., smart phones, tablet computers, etc.)will often leave their devices out where others might be able to pickthem up and see what is on the screen. Thus, many such devices areprotected by “locking” the device until an unlock code is entered (e.g.,by entering a series of numbers and/or movements on a touchscreen).

However, some devices will display certain messages or portions of amessage without requiring the user to unlock the device. For instance,when text (SMS) or e-mail messages are received, some devices displaythose messages or a portion of the message while in the locked-screenmode. This enables the user to quickly see what messages he or she hasreceived without the hassle of unlocking the device. The downside,however, is that others may be able to pick up the device and view themessage or a portion of the message intended for the user.

BRIEF SUMMARY

Some embodiments provide an electronic device with a novel contentredaction engine. The content redaction engine of some embodimentsdetermines whether to redact content for output based on whether a useris biometrically verified. That is, when the content redaction enginereceives verification data indicating that the user is biometricallyverified, the device displays content without any portion redacted. Onthe other hand, when the content redaction engine does not receive suchverification data, the device displays the content with at least aportion redacted.

The electronic device of some embodiments additionally includes abiometric reader and a biometric verification engine. The biometricreader reads a person's uniquely identifying biometric data (e.g.,thumbprint/fingerprint, iris scan, voice, etc.). This biometricinformation is then read by the biometric verification engine forcomparison to a stored set of verified user biometric data. When thebiometric data matches the stored data, the person is verified.

The content redaction engine of some embodiments includes an interfacewith the biometric verification engine that allows the redaction engineto request whether the biometric reader is currently receiving verifiedbiometric data. When the biometric reader is currently receivingverified data, the content redaction engine displays content withoutredaction. In some embodiments, as soon as the biometric reader is nolonger receiving verified data (e.g., as soon as a user removes herthumb from a thumbprint reader), the content redaction engine redactsfor display any content marked as redacted. That is, there is no graceperiod during which the content is displayed without redaction after thebiometric reader stops receiving the verified biometric input.

When redacting content for display, different embodiments perform theredaction differently. For instance, some embodiments either blurredacted content or use a black bar over the redacted content, whileother embodiments do not display the redacted content. Some embodimentsuse different redaction methods in different situations.

Furthermore, various different embodiments include different situationsfor when to redact content. Some embodiments redact messages displayedin a locked-screen mode of the electronic device until verifiedbiometric data is received. When certain electronic devices (e.g.,certain smart phones) are in lock-screen mode, these devices displaynotifications of incoming messages, such as e-mails, short messageservice (SMS) messages, etc. The notifications may include some or allof the content of the message. In some embodiments, the contentredaction engine redacts (e.g., via blurring, removal, etc.) the messagecontent from the display unless verified biometric data is received.Thus, a non-owner of the device who does not have permission to view themessages will not have the ability to do so, while the owner of thedevice can view her messages without the requirement of unlocking thedevice.

In addition to the content redaction engine, some embodiments include acontent redaction tool that allows a user to specify content of adocument (e.g., an e-mail, text message, PDF document, etc.) forredaction. With the tool, the user can select portions of content withinthe document (e.g., specific text, images, etc.) that the tool marks forredaction. Thus, the document in some embodiments stores data indicatingwhich portions have been marked for redaction. In addition, the user mayspecify permissions, such as different contacts that may view theredacted portions. When an electronic device (either the device on whichthe content was redacted, or a different user's device) displays thedocument, the content redaction engine of the device determines whetherto display the redacted content based on a combination of the redactionpermissions and biometric verification data.

The preceding Summary is intended to serve as a brief introduction tosome embodiments of the invention. It is not meant to be an introductionor overview of all inventive subject matter disclosed in this document.The Detailed Description that follows and the Drawings that are referredto in the Detailed Description further describe the embodimentsdescribed in the Summary as well as other embodiments. Accordingly, tounderstand all the embodiments described by this document, a full reviewof the Summary, the Detailed Description, and the Drawings is needed.Moreover, the claimed subject matters are not to be limited by theillustrative details in the Summary, the Detailed Description, and theDrawings, but rather are to be defined by the appended claims, becausethe claimed subject matters can be embodied in other specific formswithout departing from the spirit of the subject matters.

BRIEF DESCRIPTION OF THE DRAWINGS

The novel features of the invention are set forth in the appendedclaims. However, for purposes of explanation, several embodiments of theinvention are set forth in the following figures.

FIG. 1 conceptually illustrates an electronic device of some embodimentsfor allowing access to redacted content based on biometric data.

FIG. 2 illustrates an electronic device that allows access to redactedcontent based on biometric data.

FIGS. 3 and 4 illustrate examples of electronic devices that displaymessages in non-redacted form upon receiving biometric data.

FIG. 5 conceptually illustrates a process of some embodiments fordisplaying content on an electronic device that redacts content fornon-verified users.

FIG. 6 conceptually illustrates a state diagram for the electronicdevice of some embodiments.

FIG. 7, which illustrates an electronic device that displays anotification display with redacted text.

FIG. 8 illustrates the use of a redaction tool to redact content on anelectronic device.

FIG. 9 illustrates the electronic device of FIG. 8, in which a user isgranted access to the redacted content.

FIG. 10 illustrates a user selecting a portion of content marked forredaction, then associating that content with a user of a differentdevice.

FIG. 11 illustrates the application of the user-selected permissionsfrom FIG. 10 for two different contacts of the user.

FIG. 12 conceptually illustrates the software architecture of anelectronic device that includes a content redaction tool, contentredaction engine, and biometric verification engine.

FIG. 13 conceptually illustrates a data structure of a document thatstores redaction data in the document.

FIG. 14 illustrates an example of an architecture of a mobile computingdevice with which some embodiments are implemented.

DETAILED DESCRIPTION

In the following detailed description of the invention, numerousdetails, examples, and embodiments of the invention are set forth anddescribed. However, it will be clear and apparent to one skilled in theart that the invention is not limited to the embodiments set forth andthat the invention may be practiced without some of the specific detailsand examples discussed.

Some embodiments provide an electronic device with a novel contentredaction engine. The content redaction engine of some embodimentsdetermines whether to redact content for output based on whether a useris biometrically verified. That is, when the content redaction enginereceives verification data indicating that the user is biometricallyverified, the device displays content without any portion redacted. Onthe other hand, when the content redaction engine does not receive suchverification data, the device displays the content with at least aportion redacted.

FIG. 1 conceptually illustrates such an electronic device 100 of someembodiments for allowing access to redacted content based on biometricdata. The electronic device 100 includes a content redaction engine 105and a biometric verification engine 110. The content redaction engine105 receives content along with redaction data for the content thatindicates what portion of the content should be redacted. The contentredaction engine 105 then uses data indicating whether a user isbiometrically verified in order to determine how to output the content(i.e., whether to display the redacted content). In some embodiments,the content redaction engine 105 receives the biometric verificationdata through an interface with the biometric verification engine 110that allows the content redaction engine to request whether a biometricreader is currently receiving

The biometric verification engine 110 receives biometric data (e.g.,from a biometric reader) and compares the received biometric data tostored biometric data for one or more verified users. When the receiveddata is close enough to matching the stored biometric data for one ofthe verified users, the verification engine 110 determines that thecurrent user of the electronic device is verified (e.g., to perform aparticular action with the device, view particular content with thedevice, etc.). The biometric verification engine 110 of some embodimentssends verification data to the content redaction engine 105 indicatingwhether a verified user is currently using the device.

In some embodiments, the electronic device additionally includes abiometric reader, not shown in this figure. The biometric reader reads aperson's uniquely identifying biometric data (e.g.,thumbprint/fingerprint, iris scan, voice print, etc.). For instance, theelectronic device of some embodiments combines one of its hardwarebuttons (e.g., a home button) with a thumbprint/fingerprint reader. Thebiometric reader sends the biometric information to the biometricverification engine 110 for the mentioned comparison to stored verifiedbiometric data.

The operation of the electronic device 100 will now be described, inpart by reference to FIG. 2. FIG. 2 illustrates an electronic device 200that allows access to redacted content based on biometric data. Thisfigure illustrates two stages 210 and 220 of the electronic device 200,which includes a display screen 205 and a home button 215. The homebutton 215 is also a fingerprint/thumbprint reader.

Returning to FIG. 1, the content redaction engine 105 receives content115 for output and associated redaction data 120. The content 115 may betext content, graphical content, or other displayed content, as well asaudio content or other types of content that may be output. Theredaction data 120 of some embodiments indicates portions of the content115 for the redaction engine 105 to redact for output unless verifiedbiometric data is received.

Before outputting the content, the content redaction engine 105 sends arequest 125 to the biometric verification engine 110 to determinewhether the electronic device 100 is currently receiving verifiedbiometric data. The biometric verification engine 110 receives biometricdata 130 (e.g., from a biometric reader). In some embodiments, thebiometric verification engine 110 queries the biometric reader for thebiometric data when it needs to make a verification determination. Inother embodiments, the biometric reader sends any data it receives tothe biometric verification engine 110, irrespective of whether theverification engine requires the data. For instance, referring toelectronic device 200, anytime a user places a finger or thumb on thehome button 215, the fingerprint data is sent to the biometricverification engine. The biometric verification engine compares thereceived biometric data 130 to stored data for allowed users todetermine whether the current biometric data 130 matches that for one ofthe users.

The biometric verification engine 110 then returns verification data 135to the content redaction engine 105. The verification data 135 of someembodiments is a yes or no answer as to whether a verified user iscurrently using the device. In other embodiments, the biometricverification engine 110 provides the content redaction engine with morespecific information that indicates the particular user to whom theprovided biometric data matched. When the redaction data indicatesdifferent permissions for different users, this information enables morefine-grained decision-making by the content redaction engine 105.

The content redaction engine 105 then outputs the content 140, either inredacted or non-redacted form. When the current user is verified by thebiometric verification engine 110, the content redaction engine 105outputs the content without redaction. On the other hand, when the useris not verified, the content redaction engine 105 outputs the content inredacted form.

FIG. 2, as mentioned, illustrates two stages 210 and 220 of anelectronic device 200. In the first stage 210, the electronic device 200displays a message (from Jane Doe) in redacted form on the displayscreen 205. In this situation, a portion of the message is redactedusing a black bar over the content. This information may beautomatically detected by the device as redacted content (e.g., becauseit is a phone number) or may have been marked for redaction by thesender of the message.

When redacting content for display, different embodiments perform theredaction differently. For instance, various different embodiments blurredacted content, use a black (or other color) bar over the redactedcontent (as in FIG. 2), apply a pattern such as cross-hatching to renderthe content unreadable, etc., while other embodiments do not display theredacted content. Some embodiments use different redaction methods indifferent situations.

Furthermore, various different embodiments include different situationsfor when to redact content. Some embodiments redact messages displayedin a locked-screen mode of the electronic device until verifiedbiometric data is received. When certain electronic devices (e.g.,certain smart phones) are in lock-screen mode, these devices displaynotifications of incoming messages, such as e-mails, short messageservice (SMS) messages, etc. The notifications may include some or allof the content of the message. In some embodiments, the contentredaction engine redacts (e.g., via blurring, removal, etc.) the messagecontent from the display unless verified biometric data is received.Thus, a non-owner of the device who does not have permission to view themessages will not have the ability to do so, while the owner of thedevice can view her messages without the requirement of unlocking thedevice.

The second stage 220 of FIG. 2 illustrates a verified user placing herthumb 225 on the home button 215. As the home button 215 also serves asa fingerprint reader, the electronic device 200 receives biometric(e.g., thumbprint) data, which it verifies by comparing the thumbprintto a set of finger and thumbprints for allowed users. Because the useris verified, the electronic device outputs the entire message withoutredaction in the second stage 200 (including the sender's phone number).

In some embodiments, as soon as the biometric reader is no longerreceiving verified data (e.g., as soon as a user removes her thumb fromthe home button 225), the content redaction engine redacts for displayany content marked as redacted. That is, there is no grace period duringwhich the content is displayed without redaction after the biometricreader stops receiving the verified biometric input.

In addition to the content redaction engine, some embodiments include acontent redaction tool that allows a user to specify content of adocument (e.g., an e-mail, text message, PDF document, etc.) forredaction. With the tool, the user can select portions of content withinthe document (e.g., specific text, images, etc.) that the tool marks forredaction. Thus, the document in some embodiments stores data indicatingwhich portions have been marked for redaction. In addition, the user mayspecify permissions, such as different contacts that may view theredacted portions. When an electronic device (either the device on whichthe content was redacted, or a different user's device) displays thedocument, the content redaction engine of the device determines whetherto display the redacted content based on a combination of the redactionpermissions and biometric verification data.

FIGS. 1 and 2 illustrate examples of the use of biometric data to grantaccess to redacted content according to some embodiments. Several moredetailed examples are described below. Section I describes the redactionof content when a device is in locked-screen mode. Section II thendescribes the content redaction process of some embodiments. Next,Section III describes the content redaction tool of some embodimentsthat enables users to redact content from documents. Finally, Section IVdescribes an electronic system with which some embodiments of theinvention are implemented.

I. Redaction in Locked Mode

The electronic device of some embodiments has the ability to be locked,such that a series of inputs known only to its owner or a select groupof users enables access to the device. However, many such devices (e.g.,many smart phones) include a notification center when in locked modethat presents recently received (i.e., since the last time the devicewas unlocked) messages and other notifications (e.g., notifications ofmissed calls). These messages include, in some embodiments, e-mails,short message services (SMS, or text) messages, or other messageformats. Such a notification center enables a non-owner of the device tosee incoming messages without needing to unlock the device. Thus, someembodiments redact the messages in the notification center unless theuser (i.e., the person handling the device) is verified biometrically.Upon receiving verified biometric data, the electronic device displaysthe messages in non-redacted form.

FIG. 3 illustrates an example of such an electronic device 300 overthree stages 310-330. In this case, the electronic device 300 is a smartphone, and therefore capable of receiving various types of communication(e.g., SMS messages, e-mails, etc.). The electronic device 300 includesa display screen 305 and a button 315 which also serves as afingerprint/thumbprint reader. In this case, the display screen 305 is atouchscreen, though in other embodiments the display screen is not atouchscreen (e.g., the device uses a built-in keyboard for input). Inaddition, the content redaction principles described herein may beapplied to non-portable devices or other types of portable devices(e.g., a desktop computer, laptop computer, etc. could require biometricverification in order to view otherwise redacted content).

In the first stage 310, the electronic device is in power saving mode.In power saving mode, the device is locked and requires specific input(e.g., a particular touchscreen gesture followed by a series of inputson a touchscreen number pad) in order for a user to access the device(e.g., to access various applications that operate on the device). Whilethis figure shows the display screen 305 with the words “Power SavingMode”, this is shown for explanatory purposes. In some embodiments, thedisplay screen 305 is blank (i.e., there is no output) when the device300 is in power-saving mode.

In the second stage 320, the device 300 has received a text (SMS)message from Jane Doe. Thus, some embodiments of the deviceautomatically enter a locked-screen mode in which the device outputs adisplay but is still not unlocked. The locked-screen mode of someembodiments includes a notification center that displays notificationsfor any recently-received activity. This activity may include varioustypes of messages (e.g., e-mail, SMS messages), notifications ofincoming calls and/or voicemails, activity in currently runningapplications, etc.

In the example shown in stage 320 of FIG. 3, the notification centerdisplays a notification of a text message from Jane Doe. However, whilethe notification center includes the sender name, the body of themessage is redacted. This prevents an unauthorized user from reading themessage from Jane Doe, which may be personal and which the owner of thedevice may not want others to read. Thus, whether the unauthorized useris a family member, a friend, or an unknown person who happens to beable to view the screen 305 of the electronic device 300, that personwill not be able to read the message.

In some embodiments, an authorized user may be able to view the contentsof the message in two different ways. First, the user could unlock thedevice 300. The locked-screen display of stage 320 includes a “slide tounlock” feature at the bottom, indicating that the user may perform adrag gesture over the particular portion of the touchscreen 305 in orderto initiate the opportunity to enter an unlock code. In someembodiments, performing this gesture causes the device 300 to display anumber pad on the touchscreen through which the user may enter an unlockcode.

However, the user may not wish to perform such an action just to see themessage from Jane Doe, and then have to re-lock the device. Thus, as asecond option, the electronic device 300 has the capability tobiometrically verify the user of the device and display the redactedcontent once the user has been verified. As stated, in some embodiments,the button 315 functions as a biometric reader in order to readbiometric data. Specifically, the button 315 includes a fingerprintand/or thumbprint reader. In some embodiments, the button 315 serversvarious additional functions for the device. For instance, the buttonmay be used to activate the device from power-saving mode (when nomessages are received), return to a home page of the device operatingsystem from which applications may be selected, as well as otherfunctions.

The third stage 330 illustrates the user having placed her thumb 325 onthe button 315. At this point, the button 315 reads the thumbprint ofthe user and the device (e.g., a biometric verification engine operatingon the device such as that shown in FIG. 1) performs a verificationprocess to determine whether the user's thumbprint matches data storedfor allowed users of the device. As illustrated in the third stage 330,the thumbprint is verified and the display screen 305 now shows the fullSMS message from Jane Doe. That is, with the biometric data verified,the device displays the content in non-redacted form.

FIG. 4 illustrates a similar situation as that of FIG. 3, for anelectronic device 400 over three stages 410-430. In this case, the firstand third stages 410 and 430 are the same as the corresponding stages310 and 330 of FIG. 3, with the device 400 in power saving mode in thefirst stage 410 and displaying a message in the locked-screennotification center, in non-redacted form, in the third stage 430. Inthe second stage 420, however, the device 200 displays the message fromJane Doe using a different redaction technique. Specifically, ratherthan not displaying the message content at all, the device 400 displaysthe content in a blurred, unreadable form.

One of ordinary skill in the art will realize that while two techniquesfor displaying redacted content are shown in these two figures (blurringthe redacted content and removing the redacted content), differentembodiments may use different techniques (e.g., using black bars overredacted content, applying an effect other than a blur to make thecontent unreadable, etc.). Furthermore, as will be described in greaterdetail below, various embodiments may redact content in situations otherthan the notification center display.

II. Content Redaction Process

FIG. 5 conceptually illustrates a process 500 of some embodiments fordisplaying content on an electronic device that redacts content fornon-verified users. In some embodiments, the process 500 is performed bya content redaction engine such as that shown in FIG. 1 above. Someembodiments perform the process 500 (or a similar process) for allcontent to be displayed. Other embodiments only perform the process forcontent in specific situations (e.g., notification center messages).

As shown, the process 500 begins by receiving (at 505) content todisplay. This content may be text content, such as a portion of a textmessage or e-mail as shown in the previous section. The content may alsobe graphical (e.g., an image, an emoticon or similar image within a textmessage, etc.), or a different type of text content (i.e., a documentfile rather than a message).

The process determines (at 510) whether any of the content is marked asredacted. In some embodiments, the process determines whether any of thecontent should be redacted based on how the content will be displayed.That is, when the content will be displayed in a particular mode of thedevice, or displayed by a particular application of the device, thensome or all of the content will automatically be marked as redacted. Inthe example of the previous section, any message content displayed inthe notification center when the device is in locked-screen mode getsmarked for redaction. Additionally, some embodiments automaticallyidentify particular types of personal details, or other types ofcontent, to redact (e.g., phone numbers, account numbers, e-mailaddresses, etc.). Furthermore, in some embodiments a user mayspecifically mark content for redaction, on that user's device and/orwhen sent to another user's device.

When no content is marked for redaction, the process 500 displays (at515) all of the received content in normal fashion. On the other hand,when at least some of the content is marked for redaction, the processdetermines (at 520) whether the user is biometrically verified.Different embodiments may use different biometric markers for suchverification. As shown in the previous sections, the electronic deviceof some embodiments includes a fingerprint/thumbprint reader that alsofunctions as an input button. Other embodiments may include a separatefingerprint/thumbprint reader, an iris scanner, a DNA scanner, avoiceprint identifier, or other biometric reader.

In order to determine whether the user is biometrically verified, thedevice first determines whether any biometric data is being read by thebiometric reader. Of course, if no biometric data is provided, then nouser can be biometrically verified (e.g., if nobody is in the room withthe device, if the owner ignores the device, etc.). If the device doesreceive biometric data, then the device (e.g., the device's biometricverification engine) compares the received biometric data with storeddata for one or more verified users. In some embodiments, a device canhave multiple verified users (e.g., a parent and child for a child'sphone, a couple may both have access to each other's phones, a sharedfamily computing device, etc.). Furthermore, the content could havedifferent permissions for different users (e.g., only some users may beallowed to view the content).

When the user is biometrically verified, the process 500 displays (at515) all of the received content in normal fashion, as if none of thecontent was marked for redaction. On the other hand, when no user isbiometrically verified (either because received biometric data does notmatch a user with permission to view the content, or because nobiometric data is received), then the process displays (at 525) thecontent with the marked section redacted. As mentioned, the device mayredact the content for output by not displaying the content at all, byblurring the content to render it undiscernible, by displaying a blackbar over the content, or by using a different technique.

In some embodiments, after verifying a user to view content, the devicedoes not continue to display the content once the biometric data of theverified user is removed from the reader. That is, in the example of afingerprint/thumbprint reader, once the user removes their finger/thumbfrom the reader, the device subsequently redacts the content (i.e.,reapplies the blur or other effect, removes the content from display,etc.). Thus, such embodiments do not allow a grace period during whichthe user can view the content without providing the required biometricinput.

In some embodiments, the display and redaction is an event-drivenprocess. FIG. 6 conceptually illustrates a state diagram 600 for theelectronic device of some embodiments. The state diagram 600 will bedescribed in part by reference to FIG. 7, which illustrates anelectronic device 700 that displays a notification display with redactedtext, over three stages 710-730.

One of ordinary skill will recognize that the state diagram 600 does notcover all possible states of an electronic device. The state diagram 600specifically relates to the display of content, at least some of whichis marked for redaction unless the device receives verified biometricdata. Thus, all of the states in this figure assume that the device isturned on and displaying such content. Furthermore, the state diagram600 does not cover various manipulations of the content that could beperformed (e.g., zooming in, editing, etc.).

In the state diagram 600, when the device is not receiving any biometricdata, the electronic device displays its content in redacted form atstate 605. The first stage 710 of FIG. 7 illustrates that the electronicdevice displays a notification center display with both an SMS messagefrom Jane Doe and an e-mail from John Doe. As mentioned previously, thenotification center of some embodiments may include various differenttypes of notifications, including e-mails, SMS messages, missed calls,etc. In this first stage 710, the content is redacted because no user isbiometrically verified.

Returning to the state diagram 600, when a digit is placed on thefingerprint and/or thumbprint reader, the electronic device transitionsto state 610, to perform verification of the received biometricinformation. While this state diagram describes a fingerprint/thumbprintreader, other embodiments may use other biometric sensors (e.g., irisscanner, etc.), as described above. In some embodiments, the act of aperson placing her thumb or finger on the reader causes an event in theelectronic device that initiates the verification process. The deviceperforms the verification process, as described above, by comparing thebiometric data from its biometric reader to stored biometric data forverified users.

As shown, when the digit placed on the biometric reader is not verified,the process transitions back to state 605 to continue displaying thecontent in redacted form. Thus, when a non-owner, who has not beengranted permissions by the owner, picks up a device, the non-ownercannot view any of the redacted content.

On the other hand, when the device verifies the biometric data, thedevice transitions to state 615, and displays the content innon-redacted form. The second stage 720 of FIG. 7 illustrates that averified user has placed her thumb over the button 705, which alsofunctions as a thumbprint/fingerprint reader, of the electronic device700. As a result, the device verifies the user's thumbprint data anddisplays the previously redacted message content (both for the messagefrom Jane Doe and the e-mail from John Doe).

When the user removes the digit from the biometric reader, theelectronic device immediately transitions from the state 615 to thestate 605 to display the content in redacted form. That is, there is nointermediate waiting period state, during which the device displaysredacted content is non-redacted form. Instead, some embodimentsgenerate an event when the digit is removed from thethumbprint/fingerprint reader, and send this event to the contentredaction engine to redact any displayed content tagged as such.

The third stage 730 of FIG. 7 illustrates this transition. As shown bythe dashed outline of the user's thumb, the user has just recentlyremoved her thumb from the biometric reader 705. However, the electronicdevice is already displaying the messages in redacted form (i.e.,without the message content). As soon as the user removes her thumb fromthe device, the device redacts the messages. Thus, if the user sets thedevice down and walks away, there is no opportunity for someone else toview the message content.

III. Content Redaction Tool

In addition to the situations described in the previous sections, inwhich message content is automatically redacted by a device based oncontext (e.g., all messages in the locked-screen mode notificationcenter), some embodiments provide a content redaction tool that allows auser to select certain content (e.g., content within a document, etc.)for redaction. The redaction tool of some embodiments additionallyallows the user to specify different viewing permissions for differentredacted content (e.g., allowing only certain users of the device toview content, or allowing the content to be viewed only on specificother devices.

FIG. 8 illustrates the use of such a redaction tool to redact content onan electronic device 800 over five stages 810-850. Over the course ofthese five stages, a user of the electronic device activates a redactiontool and then selects content for redaction. The electronic device 800,like those shown in previous figures, includes a touchscreen 805 and ahardware input button 815 that functions as a fingerprint/thumbprintreader.

In the first stage 810, the electronic device 800 displays a document825. In this example, the document is a credit card statement. In someembodiments, documents that can be redacted may include web pages orother publicly available documents, local documents (e.g., notes, textfiles, PDF documents, etc.), messages (e.g., e-mails, SMS messages,application-specific messages, etc.), as well as other types ofdocuments. When redacting a publicly available web page, the redactiontool redacts the document for viewing on the particular user device. Forinstance, a user might view an online bank statement which is not adocument separate from the web page on which it is displayed, but isalso not truly public in that it is only accessible via anauthentication process. For extra protection, a user might want toredact the bank account number on the online statement.

In FIG. 8, the displayed credit card billing statement 825 is a documentlocal to the user of the device. In some embodiments, such documents arestored locally on the device itself. However, in other embodiments,these documents may not actually be stored on the device itself, butrather are stored remotely and associated with an account, with whichthe user's device is also associated (i.e., stored in a cloud storage).

In addition to the document 825, the display screen 805 also displays aselectable item 835 that enables a user to activate a redaction tool.The second stage 820 illustrates the selection of this item 835 in orderto activate the redaction tool for the device. The redaction tool isimplemented differently in different embodiments. Some embodimentsimplement the redaction tool as an application in which the user canopen documents in order to redact portions of the documents. In otherembodiments, the redaction tool is available across numerous otherapplications (e.g., a web browser application, e-mail application, SMSmessaging application, etc.), as a selectable option within thoseapplications. In some such embodiments, the redaction tool is a featureprovided by the operating system of the device.

The second stage 820 illustrates a user selecting the item 835 in orderto invoke the redaction tool. In addition, while this figure illustratesthe redaction tool as being invoked by a selectable touchscreen item 835(also referred to as an affordance), in other embodiments the tool mightbe invoked via other techniques (e.g., a particular touchscreen gesture,selection with a cursor controller, keyboard hotkey, or other input on anon-touchscreen device, etc.).

In the third stage 830, the redaction tool is activated, as indicated bythe device displaying the selectable item 835 in a darker color. Inorder to use the activated redaction tool, the user performs atouchscreen selection gesture (i.e., a drag gesture across content) inorder to select a particular portion of the displayed content. As shownin the fourth stage 840, the user moves her finger over the touchscreen805 from the start (left edge) to end (right edge) of the account numberon the billing statement in order to select this content. The fourthstage 840 illustrates that this content is selected by showing thedarker highlighting of the content.

Finally, the fifth stage 850 illustrates the redaction of the selectedtext. In the illustrated embodiment, the device redacts the accountnumber by overlaying a black bar on top of the redacted content. Asshown in the examples above, different embodiments may use othertechniques to redact content, such as removing the content or blurringthe content. In addition, some embodiments provide several differentredaction options for the user to choose from (e.g., blur, black bar, orremoval).

Once the content in a document has been marked as redacted, the contentwill only be displayed on the device when the biometric reader of thedevice detects a verified user's biometric data. FIG. 9 illustratesthree stages 910-930 of the electronic device 800, with the samedocument 825 displayed as in the previous figure. The first stage 910 issimilar to the final stage 850 of FIG. 8, with the account numberredacted via the display of a black bar. In the second stage 920, theuser places a digit over the biometric reader button 815. As shown inthe third stage 930, the user's digit is verified by comparison tostored thumbprint/fingerprint data, and therefore the electronic devicegrants access to the redacted content, displaying the account number.

In this example, the redacted document is only viewed on the device ofthe person who redacted the content in the first place. However, someembodiments additionally enable the user who marks content as redactedto set different permissions for (i) different users of the device and(ii) different devices belonging to others and associated with otheraccounts. FIG. 10 illustrates an example of the latter over five stages1010-1060 of the electronic device 800. This figure illustrates the userselecting a portion of content marked for redaction, then associatingthat content with a user of a different device.

The first stage 1010 illustrates the same document 825 displayed on thedevice 800, with the redaction tool active. In addition, at this stage,the user has selected the account number for redaction. In this case,unlike that shown in FIG. 8, the device does not automatically displaythe black bar over the redacted text yet. However, the account number isnevertheless highlighted to indicate that it has been selected forredaction.

At the second stage 1020, the user selects the redacted text (in thiscase, by tapping the text). In some embodiments, the device respondsdifferently to different selection gestures (e.g., tap, double tap,press and hold) over redacted content. As shown in the third stage 1030,this selection brings up a menu 1005 to select either contacts or usersin order to grant permissions to others to view the redacted text. Insome embodiments, other gestures enable a user to perform such actionsas removing redaction from content (i.e., setting the content to nolonger be redacted).

In the fourth stage 1040, the user selects (again with a tap gesture)the Contacts option in the menu 1005. As the fifth stage 1050 shows,this brings up a Contacts page 1015 that lists the contacts for the userof the device. In this simplified example, the user has three contacts(Jane Doe, Jack Doe, and Jim Doe). Next to each of the contacts is a “+”sign selectable item, that allows the user to add the particular contactas permitted to view the redacted text. In addition to the options toadd single contacts, the contacts page 1015 also presents the option toadd all of the contacts, thereby making the redacted content viewable onthe device of any contacts to whom it is sent.

In the fifth stage 1050, the user selects the add contact icon for JaneDoe, thereby granting Jane Doe permission to view the redacted contenton her device. The sixth stage 1060 illustrates that the “+” sign iconfor Jane Doe has changed to a “−” sign, that the user can select inorder to remove Jane Doe from the users permitted to view the content.

The redaction tool of some embodiments, as illustrated in FIG. 10,allows a user to grant different permission to different contacts (i.e.,users of different devices on which a document may be viewed) as well asdifferent permissions to different users of the current device. Whilenot shown, in some embodiments the user can select the “users” option inmenu 1005 in order to cause the device to present a list of users of thedevice. In some embodiments, the owner of a device may set up multipleusers for the device, and may wish to only grant certain users of thedevice permission to access redacted content. For instance, parentsmight want to allow each other to view certain information whilepreventing their children from viewing that information on a shareddevice. Thus, in a similar fashion to selecting certain contacts thatcan view redacted content on their different devices, the user mayselect certain users that can view redacted content on the same device.

FIG. 11 illustrates the application of the user-selected permissionsfrom FIG. 10 for two different contacts of the user, over three stages1110-1130. In the first stage 1110, the user of electronic device 800prepares and sends an e-mail to two contacts, Jane Doe and Jim Doe. Thise-mail includes as an attachment the credit card billing statementdocument from the previous figures, which the user of electronic device800 redacted. As shown in the previous FIG. 10, the user of theelectronic device 800 redacted the account number from the document andset permissions allowing Jane Doe to view the redacted content.

The second stage 1120 illustrates both electronic device 1105 owned byJane Doe (on top) and electronic device 1115 owned by Jim Doe (on thebottom). In both cases, the user of the electronic devices 1105 and 1115receives the e-mail from John Doe with the redacted credit card billingstatement document attached. In addition, both Jane Doe and Jim Doeselect the document in order to open the document on their respectivedevices. While shown as occurring at the same stage of the figure, oneof ordinary skill will recognize that the receipt of the e-mail andopening of the document may occur at completely different times on thetwo recipients' respective devices.

The third stage 1130 illustrates the document 825 open on both JaneDoe's device 1105 and Jim Doe's device 1115. In addition, both usershave placed their respective thumbs over the biometric readers 1125 and1135 of their respective devices in order to view the redacted portionof the document. In the upper portion of the figure, Jane Doe places herthumb on the biometric reader 1125, and the device 1105 verifies thatshe has permission to view the redacted account number. On the otherhand, Jim Doe places his thumb on the biometric reader 1125, and is notverified to view the redacted account number, because the sender JohnDoe did not grant him permission. In some embodiments, the biometricverification engine of the device 1115 verifies that the correct user(Jim Doe) is providing his biometric data, but the content redactionengine outputs the content in redacted form anyway, because the verifieduser does not have permission to view the content.

FIG. 12 conceptually illustrates the software architecture of anelectronic device 1200 that includes a content redaction tool, inaddition to the content redaction engine and biometric verificationengine shown in FIG. 1. As shown, the software architecture of theelectronic device 1200 includes a content redaction tool 1205, a set ofadditional modules 1210 for generating content displays, a contentredaction engine 1215, a biometric verification engine 1220, a biometricreader module 1225, and a device display module 1230. In addition, thedevice includes a storage for storing content and associated redactiondata 1235.

The content redaction tool 1205 of some embodiments enables users tointeract with various content displayed on the electronic device 1200 inorder to redact that content. As such, the content redaction tool 1205includes a user interface 1245 and a metadata tagger 1240. The userinterface 1245 enables the provision of the content redaction tool tothe user, and receives input when the tool is activated. As shown inFIGS. 8 and 10, the user input may include selecting content forredaction (e.g., within a document), as well as applying variouspermission data to the redacted content. That is, through the contentredaction tool user interface 1245, a user of the electronic device 1200may highlight or otherwise select content for redaction and selectspecific users of the device or owners/users of other devices that mayview (or be prevented from viewing) the redacted content.

The metadata tagger 1240 translates the information received through theuser interface into redaction data stored with the content at thedevice. For instance, the metadata tagger 1215 may tag a specificcontent portion as redacted, and may attach permissions to the redactiondata. As shown, the metadata tagger 1240 of some embodiments stores thisinformation within the content and redaction data 1235 stored on thedevice. In some embodiments, this storage 1235 represents variousdocument files. The metadata tagger 1240 of some embodiments modifiesthe document files themselves in order to store the redaction andpermissions data. In other embodiments, the metadata tagger 1240accesses a different data structure (e.g., a database) that storesredaction information for numerous files.

FIG. 13 conceptually illustrates a data structure of a document 1300that stores redaction data in the document. As shown, the document 1300includes both text content and other content. This other content mayinclude vector graphics content, raster image content, etc. In addition,the types of content may not necessarily be separated. For instance, thegraphical content may be intertwined with the text content, depending onthe document format. In addition to the content, the document 1300includes several sets of redaction data. In some embodiments, each timea user selects a different portion of the document for redaction, thecontent redaction tool 1205 generates separate redaction data within thedocument. Each set of redaction data includes the redacted contentportion as well as permissions data for the redacted portion. In theexamples shown in FIGS. 8-11, the redaction information would include anindication of the specific content (the account number) redacted, aswell as an indication that only the user of the device 800 and thecontact Jane Doe are allowed to view the content when biometricallyverified. In some embodiments, this may be implemented as an HTML or XMLtag around the redacted content, with data fields for the permissionsdata.

The various modules 1210 for generating content displays, in someembodiments, are different applications, aspects of the device operatingsystem, etc. that generate displays of content that could be redacted.For instance, these modules could include a document viewer and/oreditor, an e-mail client application, a notification center, a webbrowser, etc. These modules may pull data from the storage 1235 fordisplay, to send to the device display module 1230. In some embodiments,these various different modules use the content redaction engine 1215 todetermine whether any of its content should be redacted.

The device display module 1230 of some embodiments translates the outputof a user interface (e.g., a user interface of one of the modules 1210)for display (e.g., on a touchscreen of the electronic device 1200). Thatis, the display module 1230 receives signals describing what should bedisplayed and translates these signals into pixel information that issent to the display device.

The content redaction engine 1215 includes an automatic redactionidentifier 1250 and a redaction module 1255. The automatic 1250redaction identifier of some embodiments receives content destined foroutput (e.g., from one of the modules 1210) and determines whether anyof the content should be automatically redacted. For instance, thenotification center of some embodiments may send its content to theredaction engine 1215, and the automatic redaction identifier 1250identifies that the message content in the notification center should beautomatically redacted (unless the device is currently receivingverified biometric input). In addition, the automatic redactionidentifier 1250 of some embodiments identifies data such as phonenumbers, e-mail addresses, physical addresses, account numbers, or otheridentifying information that should be redacted.

The redaction module 1255 performs the determination of whether toredact content and applies the proper redaction technique if necessary.The determination of whether to redact portions of content may be madefor content detected by the automatic redaction identifier 1250 as wellas content specified for redaction within a document (e.g., contenttagged for redaction by the content redaction tool 1205). The redactionmodule receives data from the biometric verification engine 1220 thatindicates whether the device is currently reading biometric data from averified user. For content tagged for redaction, the redaction module ofsome embodiments additionally determines whether the user verified bythe biometric data has permissions to view the redacted content. Whenthe redaction module 1255 determines that the content should be redactedfor display (because a verified user is not providing biometric input,or because the biometric input is not from a user with permission toview the content), the redaction module 1255 applies a redactiontechnique (e.g., blurring, removal, etc.) to the content for display.

In some embodiments, the content redaction engine 1215 is part of theoperating system of the device. When an application or operating systemmodule has content to display, that module sends the content to thecontent redaction engine 1215 for the application of any necessaryredaction. In other embodiments, the content redaction engine is part ofa specific module of the operating system or a specific application. Forinstance, the content redaction engine of some embodiments is part ofthe notification center (which itself may be a part of the operatingsystem).

The biometric verification engine 1220, as described above by referenceto FIG. 1, receives biometric data from the biometric reader module1225. The biometric verification engine 1220 compares the receivedbiometric data to stored biometric data 1260 for one or more verifiedusers. When the received data is close enough to the stored data to beconsidered a match for a user, the verification engine determines thatthe current person inputting their biometric data to the device'sbiometric reader is verified as a particular user. The biometricverification engine 1220 of some embodiments sends this data to thecontent redaction engine 1215 when requested, in some embodiments. Inaddition, when the biometric reader of the device is not receiving anydata, the biometric verification engine may report this data to thecontent redaction engine 1215.

The biometric reader module 1225 of some embodiments translates inputdata from the biometric reader of the device (e.g., afingerprint/thumbprint reader, iris scanning camera, etc.) into datausable by the biometric verification engine 1220 for comparison tostored data. The biometric reader module then sends the translated datato the verification engine 1220. In some embodiments, when the userremoves the biometric input (e.g., removes a finger/thumb from thereader), the biometric reader module 1225 generates an event that issent to the biometric verification engine 1220 so that the verificationengine 1220 can notify other modules to cease any behavior based on suchverification (e.g., instructing the content redaction module 1215 toredact any content marked for redaction).

IV. Electronic System

Many of the above-described features and applications are implemented assoftware processes that are specified as a set of instructions recordedon a computer readable storage medium (also referred to as computerreadable medium). When these instructions are executed by one or morecomputational or processing unit(s) (e.g., one or more processors, coresof processors, or other processing units), they cause the processingunit(s) to perform the actions indicated in the instructions. Examplesof computer readable media include, but are not limited to, CD-ROMs,flash drives, random access memory (RAM) chips, hard drives, erasableprogrammable read-only memories (EPROMs), electrically erasableprogrammable read-only memories (EEPROMs), etc. The computer readablemedia does not include carrier waves and electronic signals passingwirelessly or over wired connections.

In this specification, the term “software” is meant to include firmwareresiding in read-only memory or applications stored in magnetic storagewhich can be read into memory for processing by a processor. Also, insome embodiments, multiple software inventions can be implemented assub-parts of a larger program while remaining distinct softwareinventions. In some embodiments, multiple software inventions can alsobe implemented as separate programs. Finally, any combination ofseparate programs that together implement a software invention describedhere is within the scope of the invention. In some embodiments, thesoftware programs, when installed to operate on one or more electronicsystems, define one or more specific machine implementations thatexecute and perform the operations of the software programs.

The redaction of content and biometric access to the redacted content ofsome embodiments operates on mobile devices, such as smart phones (e.g.,iPhones®) and tablets (e.g., iPads®). FIG. 14 is an example of anarchitecture 1400 of such a mobile computing device. Examples of mobilecomputing devices include smartphones, tablets, laptops, etc. As shown,the mobile computing device 1400 includes one or more processing units1405, a memory interface 1410 and a peripherals interface 1415.

The peripherals interface 1415 is coupled to various sensors andsubsystems, including a camera subsystem 1420, a wireless communicationsubsystem(s) 1425, an audio subsystem 1430, an I/O subsystem 1435, etc.The peripherals interface 1415 enables communication between theprocessing units 1405 and various peripherals. For example, anorientation sensor 1445 (e.g., a gyroscope) and an acceleration sensor1450 (e.g., an accelerometer) are coupled to the peripherals interface1415 to facilitate orientation and acceleration functions.

The camera subsystem 1420 is coupled to one or more optical sensors 1440(e.g., a charged coupled device (CCD) optical sensor, a complementarymetal-oxide-semiconductor (CMOS) optical sensor, etc.). The camerasubsystem 1420 coupled with the optical sensors 1440 facilitates camerafunctions, such as image and/or video data capturing. The wirelesscommunication subsystem 1425 serves to facilitate communicationfunctions. In some embodiments, the wireless communication subsystem1425 includes radio frequency receivers and transmitters, and opticalreceivers and transmitters (not shown in FIG. 14). These receivers andtransmitters of some embodiments are implemented to operate over one ormore communication networks such as a GSM network, a Wi-Fi network, aBluetooth network, etc. The audio subsystem 1430 is coupled to a speakerto output audio. Additionally, the audio subsystem 1430 is coupled to amicrophone to facilitate voice-enabled functions, such as voicerecognition (e.g., for dictation), digital recording, etc.

The I/O subsystem 1435 involves the transfer between input/outputperipheral devices, such as a display, a touch screen, etc., and thedata bus of the processing units 1405 through the peripherals interface1415. The I/O subsystem 1435 includes a touch-screen controller 1455, abiometric reader controller 1457, and other input controllers 1460 tofacilitate the transfer between input/output peripheral devices and thedata bus of the processing units 1405. As shown, the touch-screencontroller 1455 is coupled to a touch screen 1465. The touch-screencontroller 1455 detects contact and movement on the touch screen 1465using any of multiple touch sensitivity technologies. Some embodimentsinclude a near-touch sensitive screen and a corresponding controllerthat can detect near-touch interactions instead of or in addition totouch interactions.

The biometric reader controller 1457 is coupled to a biometric reader1467. The biometric reader controller detects biometric input to thebiometric reader 1467 using any of multiple different biometric readingtechnologies. For instance, the biometric reader in differentembodiments may be a thumbprint and/or fingerprint reader, an irisscanner, a voiceprint reader, etc. The other input controllers 1460 arecoupled to other input/control devices, such as one or more buttons. Insome embodiments, the biometric reader (e.g., a thumbprint and/orfingerprint reader) is a part of one of these buttons.

The memory interface 1410 is coupled to memory 1470. In someembodiments, the memory 1470 includes volatile memory (e.g., high-speedrandom access memory), non-volatile memory (e.g., flash memory), acombination of volatile and non-volatile memory, and/or any other typeof memory. As illustrated in FIG. 14, the memory 1470 stores anoperating system (OS) 1472. The OS 1472 of some embodiments includesinstructions for handling basic system services and for performinghardware dependent tasks.

The memory 1470 also includes communication instructions 1474 tofacilitate communicating with one or more additional devices; graphicaluser interface instructions 1476 to facilitate graphic user interfaceprocessing; image processing instructions 1478 to facilitateimage-related processing and functions; input processing instructions1480 to facilitate input-related (e.g., touch input, biometric input)processes and functions; audio processing instructions 1482 tofacilitate audio-related processes and functions; camera instructions1484 to facilitate camera-related processes and functions; biometricverification instructions 1486 to facilitate the verification ofbiometric data; and content redaction instructions 1488 to facilitatethe redaction of content and granting of access to content based onbiometric data. The instructions described above are merely exemplaryand the memory 1470 includes additional and/or other instructions insome embodiments. For instance, the memory for a smartphone may includephone instructions to facilitate phone-related processes and functions.The above-identified instructions need not be implemented as separatesoftware programs or modules. Various functions of the mobile computingdevice can be implemented in hardware and/or in software, including inone or more signal processing and/or application specific integratedcircuits.

While the components illustrated in FIG. 14 are shown as separatecomponents, one of ordinary skill in the art will recognize that two ormore components may be integrated into one or more integrated circuits.In addition, two or more components may be coupled together by one ormore communication buses or signal lines. Also, while many of thefunctions have been described as being performed by one component, oneof ordinary skill in the art will realize that the functions describedwith respect to FIG. 14 may be split into two or more integratedcircuits.

Some embodiments include electronic components, such as microprocessors,storage and memory that store computer program instructions in amachine-readable or computer-readable medium (alternatively referred toas computer-readable storage media, machine-readable media, ormachine-readable storage media). Some examples of such machine-readablemedia include RAM, ROM, read-only compact discs (CD-ROM), recordablecompact discs (CD-R), rewritable compact discs (CD-RW), read-onlydigital versatile discs (e.g., DVD-ROM, dual-layer DVD-ROM), a varietyof recordable/rewritable DVDs (e.g., DVD-RAM, DVD-RW, DVD+RW, etc.),flash memory (e.g., SD cards, mini-SD cards, micro-SD cards, etc.),magnetic and/or solid state hard drives, read-only and recordableBlu-Ray® discs, ultra density optical discs, any other optical ormagnetic media, and floppy disks. The machine-readable media may store aprogram that is executable by at least one processing unit and includessets of instructions for performing various operations. Examples ofprograms or code include machine code, such as is produced by acompiler, and files including higher-level code that are executed by acomputer, an electronic component, or a microprocessor using aninterpreter.

While the above discussion refers in part to microprocessor ormulti-core processors that execute software, some embodiments areperformed by one or more integrated circuits, such as applicationspecific integrated circuits (ASICs), customized ASICs or fieldprogrammable gate arrays (FPGAs). In some embodiments, such integratedcircuits execute instructions that are stored on the circuit itself. Inaddition, some embodiments execute software stored in programmable logicdevices (PLDs), ROM, or RAM devices.

As used in this specification and any claims of this application, theterms “computer”, “server”, “processor”, and “memory” all refer toelectronic or other technological devices. These terms exclude people orgroups of people. For the purposes of the specification, the termsdisplay or displaying means displaying on an electronic device. As usedin this specification and any claims of this application, the terms“computer readable medium,” “computer readable media,” and “machinereadable medium” are entirely restricted to tangible, physical objectsthat store information in a form that is readable by a computer. Theseterms exclude any wireless signals, wired download signals, and anyother ephemeral signals.

While the invention has been described with reference to numerousspecific details, one of ordinary skill in the art will recognize thatthe invention can be embodied in other specific forms without departingfrom the spirit of the invention. For instance, some of the figuresillustrate various touch gestures (e.g., press and hold gestures, touchmovements, etc.). However, many of the illustrated operations could beperformed via different touch gestures (e.g., a tap rather than apress-and-hold, etc.) or by non-touch input (e.g., using a cursorcontroller, a keyboard, a touchpad/trackpad, a near-touch sensitivescreen, etc.). In addition, a number of the figures (including FIG. 5)conceptually illustrate processes. The specific operations of theseprocesses may not be performed in the exact order shown and described.The specific operations may not be performed in one continuous series ofoperations, and different specific operations may be performed indifferent embodiments. Furthermore, the process could be implementedusing several sub-processes, or as part of a larger macro process. Thus,one of ordinary skill in the art would understand that the invention isnot to be limited by the foregoing illustrative details, but rather isto be defined by the appended claims.

The invention claimed is:
 1. A machine implemented method comprising:storing a set of content for display on a device in a lock screen modeof the device, wherein at least a portion of the set of content ismarked for redaction; displaying the set of content with the markedportion redacted on the device in the lock screen mode; receivingbiometric verification data indicating whether a user of the device isverified through biometric data; and when the biometric verificationdata indicates that the user is verified, displaying the set of contentwithout any portion redacted while the device remains in the lock screenmode and in response to the biometric data indicating that the user isnot verified switching back to displaying the set of content with themarked portion redacted.
 2. The method as in claim 1 wherein thebiometric verification data is provided by a biometric reader thatincludes a camera.
 3. The method as in claim 2 wherein the camera is ascanning camera.
 4. The method as in claim 3 wherein the contentcomprises a notification.
 5. The method as in claim 3 wherein thecontent comprises a notification of a message and wherein the set ofcontent is displayed in an application without any portion redactedafter the device is unlocked.
 6. The method as in claim 3 wherein thedisplay of unredacted content displayed in the lock screen mode isswitched to the display of redacted content as soon as the biometricreader is no longer receiving biometric verification data indicatingthat the user is verified.
 7. The method as in claim 6 wherein theswitch to the display of redacted content is caused by an event thatindicates that the biometric reader is no longer receiving biometricverification data indicating that the user is verified.
 8. The method asin claim 7 wherein the display of redacted content comprises displayingcontent without the marked portion.
 9. The method as in claim 5 whereina sender of the message is not redacted while at least a portion of themessage is redacted when the biometric verification data indicates theuser is not verified.
 10. The method as in claim 1 wherein the redactedcontent is automatically marked for redaction based on a type ofcontent.
 11. The method as in claim 7 wherein the switch is caused whenthe user removes a biometric input.
 12. The method as in claim 1 whereinthe biometric verification data is provided by a biometric reader thatincludes a scanning camera and wherein the display of unredacted contentdisplayed in the lock screen mode is switched to the display of redactedcontent in response to an event that indicates that the biometric readeris no longer receiving biometric verification data indicating that theuser is verified; and wherein the display of redacted content comprisesone of: (1) blurring the redacted content; (2) placing a black bar overthe redacted content; or (3) removing the redacted content; and whereinthe event is caused when the user removes a biometric input.
 13. Anon-transitory machine readable medium storing instructions which whenexecuted by a data processing system cause the data processing system toperform a method comprising: storing a set of content for display on adevice in a lock screen mode of the device, wherein at least a portionof the set of content is marked for redaction; displaying the set ofcontent with the marked portion redacted on the device in the lockscreen mode; receiving biometric verification data indicating whether auser of the device is verified through biometric data; and when thebiometric verification data indicates that the user is verified,displaying the set of content without any portion redacted while thedevice remains in the lock screen mode and in response to the biometricdata indicating that the user is not verified switching back todisplaying the set of content with the marked portion redacted.
 14. Themedium as in claim 13 wherein the biometric verification data isprovided by a biometric reader that includes a camera.
 15. The medium asin claim 14 wherein the camera is a scanning camera.
 16. The medium asin claim 15 wherein the content comprises a notification.
 17. The mediumas in claim 15 wherein the content comprises a notification of a messageand wherein the set of content is displayed in an application withoutany portion redacted after the device is unlocked.
 18. The medium as inclaim 15 wherein the display of unredacted content displayed in the lockscreen mode is switched to the display of redacted content as soon asthe biometric reader is no longer receiving biometric verification dataindicating that the user is verified.
 19. The medium as in claim 18wherein the switch to the display of redacted content is caused by anevent that indicates that the biometric reader is no longer receivingbiometric verification data indicating that the user is verified. 20.The medium as in claim 19 wherein the display of redacted contentcomprises displaying content without the marked portion.
 21. The mediumas in claim 17 wherein a sender of the message is not redacted while atleast a portion of the message is redacted when the biometricverification data indicates the user is not verified.
 22. The medium asin claim 13 wherein the redacted content is automatically marked forredaction based on a type of content.
 23. The medium as in claim 19wherein the switch is caused when the user removes a biometric input.24. The medium as in claim 13 wherein the biometric verification data isprovided by a biometric reader that includes a scanning camera andwherein the display of unredacted content displayed in the lock screenmode is switched to the display of redacted content in response to anevent that indicates that the biometric reader is no longer receivingbiometric verification data indicating that the user is verified; andwherein the display of redacted content comprises one of: (1) blurringthe redacted content; (2) placing a black bar over the redacted content;or (3) removing the redacted content; and wherein the event is causedwhen the user removes a biometric input.